| Lake Shore to Orbetello | 4,376.81 mi (7,043.79 km) |
| Lake Shore to Oria | 4,729.86 mi (7,611.98 km) |
| Lake Shore to Oristano | 4,345.35 mi (6,993.16 km) |
| Lake Shore to Orta Nova | 4,614.45 mi (7,426.24 km) |
| Lake Shore to Orte | 4,427.85 mi (7,125.93 km) |
| Lake Shore to Ortona | 4,519.91 mi (7,274.10 km) |
| Lake Shore to Orvieto | 4,406.74 mi (7,091.97 km) |
| Lake Shore to Orzinuovi | 4,222.42 mi (6,795.33 km) |
| Lake Shore to Osimo | 4,439.84 mi (7,145.24 km) |
| Lake Shore to Ospitaletto | 4,223.41 mi (6,796.93 km) |
| Lake Shore to Ostuni | 4,718.75 mi (7,594.09 km) |
| Lake Shore to Ottaviano | 4,577.84 mi (7,367.32 km) |
| Lake Shore to Ovada | 4,191.14 mi (6,744.99 km) |
| Lake Shore to Ozieri | 4,341.01 mi (6,986.18 km) |
| Lake Shore to Paceco | 4,596.05 mi (7,396.64 km) |
